The Tor Browser / file comparison
comparison: layout/xul/nsImageBoxFrame.h
layout/xul/nsImageBoxFrame.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:fdd270b8dc48 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #ifndef nsImageBoxFrame_h___ | |
| 6 #define nsImageBoxFrame_h___ | |
| 7 | |
| 8 #include "mozilla/Attributes.h" | |
| 9 #include "nsLeafBoxFrame.h" | |
| 10 | |
| 11 #include "imgILoader.h" | |
| 12 #include "imgIRequest.h" | |
| 13 #include "imgIContainer.h" | |
| 14 #include "imgINotificationObserver.h" | |
| 15 #include "imgIOnloadBlocker.h" | |
| 16 | |
| 17 class imgRequestProxy; | |
| 18 class nsImageBoxFrame; | |
| 19 | |
| 20 class nsDisplayXULImage; | |
| 21 | |
| 22 class nsImageBoxListener : public imgINotificationObserver, | |
| 23 public imgIOnloadBlocker | |
| 24 { | |
| 25 public: | |
| 26 nsImageBoxListener(); | |
| 27 virtual ~nsImageBoxListener(); | |
| 28 | |
| 29 NS_DECL_ISUPPORTS | |
| 30 NS_DECL_IMGINOTIFICATIONOBSERVER | |
| 31 NS_DECL_IMGIONLOADBLOCKER | |
| 32 | |
| 33 void SetFrame(nsImageBoxFrame *frame) { mFrame = frame; } | |
| 34 | |
| 35 private: | |
| 36 nsImageBoxFrame *mFrame; | |
| 37 }; | |
| 38 | |
| 39 class nsImageBoxFrame : public nsLeafBoxFrame | |
| 40 { | |
| 41 public: | |
| 42 typedef mozilla::layers::LayerManager LayerManager; | |
| 43 | |
| 44 friend class nsDisplayXULImage; | |
| 45 NS_DECL_FRAMEARENA_HELPERS | |
| 46 | |
| 47 virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 48 virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 49 virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 50 virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE; | |
| 51 | |
| 52 nsresult Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData); | |
| 53 | |
| 54 friend nsIFrame* NS_NewImageBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 55 | |
| 56 virtual void Init(nsIContent* aContent, | |
| 57 nsIFrame* aParent, | |
| 58 nsIFrame* asPrevInFlow) MOZ_OVERRIDE; | |
| 59 | |
| 60 virtual nsresult AttributeChanged(int32_t aNameSpaceID, | |
| 61 nsIAtom* aAttribute, | |
| 62 int32_t aModType) MOZ_OVERRIDE; | |
| 63 | |
| 64 virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE; | |
| 65 | |
| 66 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 67 | |
| 68 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 69 #ifdef DEBUG_FRAME_DUMP | |
| 70 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 71 #endif | |
| 72 | |
| 73 /** | |
| 74 * Update mUseSrcAttr from appropriate content attributes or from | |
| 75 * style, throw away the current image, and load the appropriate | |
| 76 * image. | |
| 77 * */ | |
| 78 void UpdateImage(); | |
| 79 | |
| 80 /** | |
| 81 * Update mLoadFlags from content attributes. Does not attempt to reload the | |
| 82 * image using the new load flags. | |
| 83 */ | |
| 84 void UpdateLoadFlags(); | |
| 85 | |
| 86 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 87 const nsRect& aDirtyRect, | |
| 88 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 89 | |
| 90 virtual ~nsImageBoxFrame(); | |
| 91 | |
| 92 void PaintImage(nsRenderingContext& aRenderingContext, | |
| 93 const nsRect& aDirtyRect, | |
| 94 nsPoint aPt, uint32_t aFlags); | |
| 95 | |
| 96 already_AddRefed<mozilla::layers::ImageContainer> GetContainer(LayerManager* aManager); | |
| 97 protected: | |
| 98 nsImageBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext); | |
| 99 | |
| 100 virtual void GetImageSize(); | |
| 101 | |
| 102 private: | |
| 103 nsresult OnStartContainer(imgIRequest *request, imgIContainer *image); | |
| 104 nsresult OnStopDecode(imgIRequest *request); | |
| 105 nsresult OnStopRequest(imgIRequest *request, nsresult status); | |
| 106 nsresult OnImageIsAnimated(imgIRequest* aRequest); | |
| 107 nsresult FrameChanged(imgIRequest *aRequest); | |
| 108 | |
| 109 nsRect mSubRect; ///< If set, indicates that only the portion of the image specified by the rect should be used. | |
| 110 nsSize mIntrinsicSize; | |
| 111 nsSize mImageSize; | |
| 112 | |
| 113 // Boolean variable to determine if the current image request has been | |
| 114 // registered with the refresh driver. | |
| 115 bool mRequestRegistered; | |
| 116 | |
| 117 nsRefPtr<imgRequestProxy> mImageRequest; | |
| 118 nsCOMPtr<imgINotificationObserver> mListener; | |
| 119 | |
| 120 int32_t mLoadFlags; | |
| 121 | |
| 122 bool mUseSrcAttr; ///< Whether or not the image src comes from an attribute. | |
| 123 bool mSuppressStyleCheck; | |
| 124 bool mFireEventOnDecode; | |
| 125 }; // class nsImageBoxFrame | |
| 126 | |
| 127 class nsDisplayXULImage : public nsDisplayImageContainer { | |
| 128 public: | |
| 129 nsDisplayXULImage(nsDisplayListBuilder* aBuilder, | |
| 130 nsImageBoxFrame* aFrame) : | |
| 131 nsDisplayImageContainer(aBuilder, aFrame) { | |
| 132 MOZ_COUNT_CTOR(nsDisplayXULImage); | |
| 133 } | |
| 134 #ifdef NS_BUILD_REFCNT_LOGGING | |
| 135 virtual ~nsDisplayXULImage() { | |
| 136 MOZ_COUNT_DTOR(nsDisplayXULImage); | |
| 137 } | |
| 138 #endif | |
| 139 | |
| 140 virtual already_AddRefed<ImageContainer> GetContainer(LayerManager* aManager, | |
| 141 nsDisplayListBuilder* aBuilder) MOZ_OVERRIDE; | |
| 142 virtual void ConfigureLayer(ImageLayer* aLayer, const nsIntPoint& aOffset) MOZ_OVERRIDE; | |
| 143 virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap) MOZ_OVERRIDE | |
| 144 { | |
| 145 *aSnap = true; | |
| 146 return nsRect(ToReferenceFrame(), Frame()->GetSize()); | |
| 147 } | |
| 148 virtual void ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder, | |
| 149 const nsDisplayItemGeometry* aGeometry, | |
| 150 nsRegion* aInvalidRegion) MOZ_OVERRIDE; | |
| 151 // Doesn't handle HitTest because nsLeafBoxFrame already creates an | |
| 152 // event receiver for us | |
| 153 virtual void Paint(nsDisplayListBuilder* aBuilder, | |
| 154 nsRenderingContext* aCtx) MOZ_OVERRIDE; | |
| 155 NS_DISPLAY_DECL_NAME("XULImage", TYPE_XUL_IMAGE) | |
| 156 }; | |
| 157 | |
| 158 #endif /* nsImageBoxFrame_h___ */ |
